Home / 109,984,973.30-164,977,459.95-98,505,847.70

Finding the Fourth Proportional to 109,984,973.30, 164,977,459.95 and 98,505,847.70

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Solution

The fourth proportional to 109,984,973.30, 164,977,459.95 and 98,505,847.70 is: 147,758,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,984,973.30 : 164,977,459.95 = 98,505,847.70 : x
  2. Step 2: Convert to fraction form
    109,984,973.30/164,977,459.95 = 98,505,847.70/x
  3. Step 3: Cross multiply
    109,984,973.30x = 164,977,459.95 × 98,505,847.70
  4. Step 4: Simplify right side
    109,984,973.30x = 16,251,244,543,767,548
  5. Step 5: Solve for x
    x = 16,251,244,543,767,548/109,984,973.30
  6. Step 6: Final answer
    x = 147,758,771.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.